Yanmis Active Buzzer Module 3 Wire System 3.3V-5V Buzzer Module with Internal Oscillation Source Light Industry Alarm Sounder

Product ID: 202939378 Condition: New

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R 391

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Product Description

Yanmis Active Buzzer Module 3 Wire System 3.3V-5V Buzzer Module with Internal Oscillation Source Light Industry Alarm Sounder

Module is driven with 9012 transistor.
External connection of 3.3V-5V voltage, can be directly connected to 5V micro-controller and 3.3V micro-controller.
Designed with holes for fixing with bolt, convenient to install.
Convenient program control, single chip microcomputer high and low level can make it sound, better than a passive buzzer.
This active buzzer has internal oscillation source, so it will alarm as long as being energized.